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@article{DAN_1962_142_5_a2, author = {D. A. Gudkov}, title = {Bifurcation of simple double points and cusps of real, plane, algebraic curves}, journal = {Doklady Akademii Nauk}, pages = {990--993}, publisher = {mathdoc}, volume = {142}, number = {5}, year = {1962}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1962_142_5_a2/} }
D. A. Gudkov. Bifurcation of simple double points and cusps of real, plane, algebraic curves. Doklady Akademii Nauk, Tome 142 (1962) no. 5, pp. 990-993. http://geodesic.mathdoc.fr/item/DAN_1962_142_5_a2/